The world’s first sailing hydrofoil.

The spherical pressure hull for the bathysphere “Turtle”, one of three used in the ALVIN submersible program, the first program to use manned underwater exploration vessels.

These boats began to be used for racing on days when they were not needed for fishing, and gradually they evolved into racing craft.

Marders were primarily intended for use in the coastal waters to potentially disrupt Allied shipping and invasions.